CVE-2018-9151 Explained : Impact and Mitigation
Learn about CVE-2018-9151, a vulnerability in Kingsoft Internet Security 9+ kernel driver KWatch3.sys allowing system crashes. Find mitigation steps and long-term security practices.
A vulnerability was detected in the Kingsoft Internet Security 9+ kernel driver KWatch3.sys, allowing local non-privileged users to crash the system via IOCTL 0x80030030.
Understanding CVE-2018-9151
This CVE involves a NULL pointer dereference bug in the Kingsoft Internet Security 9+ kernel driver KWatch3.sys.
What is CVE-2018-9151?
The vulnerability in the function ObReferenceObjectByHandle allows local non-privileged users to crash the system by sending a specific IOCTL.
The Impact of CVE-2018-9151
The vulnerability can be exploited by local non-privileged users, leading to a system crash.
Technical Details of CVE-2018-9151
The technical details of the CVE.
Vulnerability Description
A NULL pointer dereference bug in the function ObReferenceObjectByHandle in the Kingsoft Internet Security 9+ kernel driver KWatch3.sys.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: Not applicable
Exploitation Mechanism
Local non-privileged users can exploit the vulnerability by sending IOCTL 0x80030030, resulting in a system crash.
Mitigation and Prevention
Steps to address the CVE.
Immediate Steps to Take
- Monitor vendor for patches
- Implement least privilege access
- Consider alternative security solutions
Long-Term Security Practices
- Regular security training for users
- Keep systems updated with latest patches
- Conduct regular security audits
Patching and Updates
Stay informed about vendor patches and apply them promptly.